Home / 611,924,156.20-917,886,234.30-490,991,804.20

Finding the Fourth Proportional to 611,924,156.20, 917,886,234.30 and 490,991,804.20

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Solution

The fourth proportional to 611,924,156.20, 917,886,234.30 and 490,991,804.20 is: 736,487,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,924,156.20 : 917,886,234.30 = 490,991,804.20 : x
  2. Step 2: Convert to fraction form
    611,924,156.20/917,886,234.30 = 490,991,804.20/x
  3. Step 3: Cross multiply
    611,924,156.20x = 917,886,234.30 × 490,991,804.20
  4. Step 4: Simplify right side
    611,924,156.20x = 450,674,618,229,300,864
  5. Step 5: Solve for x
    x = 450,674,618,229,300,864/611,924,156.20
  6. Step 6: Final answer
    x = 736,487,706.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.